package collection_job;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class IntegerDemo {
    public static void main(String[] args) {
    Random rand=new Random();
    List<Integer>list=new ArrayList<>();
    for(int i=0;i<10;i++){
        list.add(rand.nextInt(100));
    }
        System.out.println("list原始数据："+list);
        Collections.sort(list);
        System.out.println("排序后数据："+list);
    }
}
